scapula

scapula (shoulder blade) The largest of the bones that make up each half of the pectoral (shoulder) girdle. It is a flat triangular bone, providing anchorage for the muscles of the forelimb and an articulation for the humerus at the glenoid cavity. It is joined to the clavicle (collar bone) in front.

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shoulder blade

shoulder blade (scapula) In vertebrates, either of two large, roughly triangular, flat bones found one on either side of the upper back. They provide for the attachment of muscles that move the forelimbs. See also shoulder

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